(under subclass 522) Apparatus provided with (1) a material, fluid or discrete, which penetrates the separating media and is retained therein or thereon, either in its original form or physically combined therewith, or (2) an initially fluent film or layer of material either lying on or adhered to the surface of the separating media or by which component parts of a media are secured one to the other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
514, and 521, for filter media and bonding agents there classified.
SEE OR SEARCH CLASS
131, Tobacco,
343, for a smoke separator comprising plural diverse elements one of which is a plasticizer, adhesive, coating or impregnant, the separator disclosed for use in a tobacco user's appliance or article.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses, for adhesive bonding and miscellaneous chemical manufactures of sheet material. 424, Drug, Bio-Affecting and Body Treating Compositions, for an antiseptic or disinfecting composition which may be used for coating a filter.
428, Stock Material or Miscellaneous Articles, appropriate subclasses, for a single or plural layer stock material product provided for in that class.
